工人缺勤率居高不下，也会妨碍其它基本服务，例如执法、交通和通讯。
High rates of worker absenteeism can also interrupt other essential services, such as law enforcement, transportation, and communications.
提供基本的操作系统服务、消息传递和进程间通讯。
Provides basic operating system services, message passing, and inter-process communication.
结果实现了基本通讯、信息解析、SOP服务类等模块的设计。
Result: These modules of basic communication? Information analysis and SOP had been completed.
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